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ECT25S40 Arkusz danych(PDF) 8 Page - E-CMOS Corporation

Numer części ECT25S40
Szczegółowy opis  4M BIT SPI NOR FLASH
PDF  46 Pages
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Producent  E-CMOS [E-CMOS Corporation]
Strona internetowa  http://www.ecmos.com.tw/
Logo E-CMOS - E-CMOS Corporation

ECT25S40 Arkusz danych(HTML) 8 Page - E-CMOS Corporation

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4L08N-Rev.F001
ECT25S40
4M BIT SPI NOR FLASH
Table 3. Status Register-2 (SR2)
Table 4. Status Register-1 (SR1)
BIT
Name
Function
Default
Value
Description
7
SUS
Suspend
Status
0
0 = Erase/Program not suspended
1 = Erase/Program suspended
6
CMP
Complement
Protect
0
0 = Normal Protection Map
1 = Inverted Protection Map
5
LB3
Security
Register
Lock Bits
0
OTP Lock Bits 3:1 for Security Registers 3:1
0 = Security Register not protected
1 = Security Register protected
4
LB2
0
3
LB1
0
2
Reserved
Reserved
0
1
QE
Quad
Enable
0
0 = Quad Mode Not Enabled, the /WP pin and
/HOLD are enabled.
1 = Quad Mode Enabled, the IO2 and IO3 pins are
enabled, and /WP and /HOLD functions are disabled
0
SRP1
Status
Resister
Protect 1
0
0 = SRP0 selects whether /WP input has effect on
protection of the status register
1 = SRP0 selects Power Supply Lock Down or OTP
Lock Down mode
BIT
Name
Function
Default
Value
Description
7
SRP0
Status
Resister
Protect 0
0
0 = /WP input has no effect or Power Supply Lock
Down
mode
1 = /WP input can protect the Status Register or
OTP
Lock Down
6
SEC
Sector/Block
Protect
0
0 = BP2-BP0 protect 64KB blocks
1 = BP2-BP0 protect 4KB sectors
5
TB
Top/Bottom
Protect
0
0 = BP2-BP0 protect from the Top down
1 = BP2-BP0 protect from the Bottom up
4
BP2
Block Protect
Bits
0
000b = No protection
See Table 6 and Table 7 for protection ranges
3
BP1
0
2
BP0
0
1
WEL
Write Enable
Latch
0
0 = Not Write Enabled, no embedded operation can
start
1 = Write Enabled, embedded operation can start
0
WIP
Write in
Progress
Status
0
0 = Not Busy, no embedded operation in progress
1 = Busy, embedded operation in progress



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